/// <summary>
/// 建立连接
/// </summary>
/// <returns></returns>
private bool SetConnect()
{
//两个连接
bool res1 = (S7_COM_FUN.Set_Connection(Cp_descr, ConnName, ref Cref, ref Orderid) == 0);
Thread.Sleep(100);
res1 &= (S7_COM_FUN.Set_Connection(Cp_descr, ConnName2, ref Cref2, ref Orderid2) == 0);
return(res1);
}
/// <summary>
/// 写float信号
/// </summary>
/// <param name="address"></param>
/// <param name="value"></param>
/// <returns></returns>
private bool Write(string address, float value)
{
if (!local_PLC_ERR)
{
return(S7_COM_FUN.Write_Req(cp_descr, cref, orderid, address, value) == 0);
}
Console.WriteLine("导轨Local_PLC_ERR故障,请排除故障并复位." + startAddress.ToString());
return(false);
}
/// <summary>
/// 接收PLC数据
/// </summary>
/// <returns></returns>
public void Receive()
{
while (true)
{
Thread.Sleep(3);
int resw = S7_COM_FUN.Receive(Cp_descr, Cref, Orderid, ref ReadPara, Value_store);
Thread.Sleep(3);
while (!S7_COM_FUN.IsWriting)
{
Read_CNF = S7_COM_FUN.Receive(Cp_descr, Cref2, Orderid2, ref ReadPara, Value_store);
}
}
}
/// <summary>
/// 写bool信号
/// </summary>
/// <param name="address"></param>
/// <param name="value"></param>
/// <returns></returns>
private bool write(string address, bool value)
{
return(S7_COM_FUN.Write_Req(cp_descr, cref, orderid, address, value) == 0);
}
/// <summary>
/// 发起读请求
/// </summary>
/// <returns></returns>
public bool RequestRead()
{
return(S7_COM_FUN.s7_read_req(Cp_descr, Cref2, Orderid2, ref ReadPara) == 0);
}
/// <summary>
/// 初始化读参数,起始地址 字节
/// </summary>
private void InitialReadPara()
{
S7_COM_FUN.R_Struct_Inital(ref ReadPara, IniReadPara);//读取数据块1,V200开始150个字节
}
/// <summary>
/// s7初始化
/// </summary>
/// <returns></returns>
private bool S7Initial()
{
return(S7_COM_FUN.Initial(i, ref Cp_descr) == 0);
}
/// <summary>
/// 写通讯成功标志位--以PLC验证通讯是否成功
/// </summary>
public bool SetComOK()
{
return(S7_COM_FUN.Write_Req(cp_descr, PLCsys.Cref2, PLCsys.Orderid2, PC_Communication_OK_Address, true) == 0);
}